iOS

Recently, I came across a couple of real-world examples that illustrate functional programming usage in Swift. All those examples have a single thing in common - they have been initially written in an imperative manner, which made them harder to read and extend. The article provides an in-depth description of…

Continuous delivery is a key to a healthy communication with your customer. However, it is not a common practice for iOS developers to set up a continuous delivery pipeline. It is likely caused by the inferior tooling provided by the Apple itself. This tutorial aims to present a painless way…

No one likes to be blamed for the mistakes. This is especially true for software engineers. Over the years they came up with countless ideas which make software development less fragile and error-prone. It is safe to say that ever growing number of precaution steps taken to maximize the quality…

As you might already know, I deliberately chose not to use storyboards for my Swift code. Instead, I build all of the views programmatically and inject them through initializers into suitable controllers. Although this approach works really nice, it has drawbacks when it comes to unit testing. Imagine having a…

So you already have an app and you are trying to engage users even more... What is a better way to do that than using one of the coolest iOS 10 features - iMessage integration? This Tuesday Apple rolled out iOS 10 together with Messages framework. It provides building blocks…

UITableView is truly a heart of iOS user interface. It does not matter whether you are changing settings, going through unread emails or sending messages. Provided that you have used your iOS device recently, it is almost certain that you have stumbled upon a table view. Rendering a table with…

Storyboards are known to "divide" iOS developers since their introduction in iOS 5. Almost five years have passed and the consensus about when to (not) use them still remains. It is probably because of the fact that using storyboards has as many benefits as drawbacks[1] so it…

iDev recipes is a series of short articles that present ways of dealing with common problems while developing apps for Apple devices. One of the most frustrating things about Xcode is that project layout does not have to reflect directory structure. It seems like a powerful feature at first, but…